Multiple Choice
What is a nebula?
A) a vast cloud of dust and gases that contracted 4.5 billion years ago to form our solar system
B) rock fragments that collided together to form the Earth
C) planets that are composed mainly of gases
D) compounds of carbon, nitrogen, oxygen, silicon and iron
E) rocky fragments from outer space that have fallen to the Earth
Correct Answer:
Verified
Correct Answer:
Verified
Q26: When did life begin?<br>A) 4.5 billion years
Q27: What is natural selection?<br>A) principal mechanism behind
Q28: Which of the following could be considered
Q29: Draw your own field outcrop that illustrates
Q30: Match the following options to its correct
Q32: What do we call the change in
Q33: Where are most of Earth's freshwater resources
Q34: Granite is a rock that is a
Q35: Match the following options to its correct
Q36: It takes a lot of solar radiation